18937830

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{523}}^1$

素因数の和:621

約数の個数: 64

約数和(自身を含む): 48895488

約数和(自身を除く): 29957658

約数列:

[1, 2, 3, 5, 6, 10, 15, 17, 30, 34, 51, 71, 85, 102, 142, 170, 213, 255, 355, 426, 510, 523, 710, 1046, 1065, 1207, 1569, 2130, 2414, 2615, 3138, 3621, 5230, 6035, 7242, 7845, 8891, 12070, 15690, 17782, 18105, 26673, 36210, 37133, 44455, 53346, 74266, 88910, 111399, 133365, 185665, 222798, 266730, 371330, 556995, 631261, 1113990, 1262522, 1893783, 3156305, 3787566, 6312610, 9468915, 18937830]

約数ペア:

[(1, 18937830), (2, 9468915), (3, 6312610), (5, 3787566), (6, 3156305), (10, 1893783), (15, 1262522), (17, 1113990), (30, 631261), (34, 556995), (51, 371330), (71, 266730), (85, 222798), (102, 185665), (142, 133365), (170, 111399), (213, 88910), (255, 74266), (355, 53346), (426, 44455), (510, 37133), (523, 36210), (710, 26673), (1046, 18105), (1065, 17782), (1207, 15690), (1569, 12070), (2130, 8891), (2414, 7845), (2615, 7242), (3138, 6035), (3621, 5230)]